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UNITED STATES PATENT OFFI E.

ELISHA HENRY ALVORD, OF SEATTLE, WASHINGTON TERRITORY.

SASH-FASTENER.

SPECIFICATION forming part of Letters Patent No. 349,295, dated September 21, 1886.

Application filed January 93, 1886. Serial No. 189,514. (Modem To all whom it may concern.-

Be it known that I, ELISHA HENRY ALvoRD, a citizen of the United States, of the city of Seattle, in the county of King and Territory of \Vashington, have invented certain new and useful Improvements in Sash-Fasteners; and I do hereby declare that the following is a full, clear, and exact description thereof, which will enable those skilled in the art to make and use the same, reference being had to the accompanying drawings, forming part of this specifr cation, in which Figure 1 is an elevation of part of a windowcasing from the inside, showing thearrangement of my improved saslrfastener with its attachment. Fig. 2 represents a vertical back view of my lock with its back plate, B, re moved, showing the working parts of the lock, and the slotted escutcheon-plate C turned over so as to show a rear view of it and its parts. Fig. 3 is a plan and side view of the back plate, B, of the lock. Fig. 4 is a vertical section of the lock applied to the window.

Similar letters of reference indicate corresponding parts.

My improvements pertain to that-kind of sash-fasteners which is placed in the frame opposite the meeting-rails, and has two bolts, one for holding each sash, both bolts being synchronously moved .by a single lever; and my said invention consists in the novel construction and arrangement of a saslrfastener, in which the peculiar mechanism employed operates in combination with sashes having notches or recesscs,whereby both sashes at any height are prevented from further opening, but not from closing.

It consists, also, in the novel arrangement of thecbolts, and of the mechanism used to operate them, so as to present a lnnrglar-proof sashlock, whether" both the sashes or either of them be partially open for ventilation or closed.

In the drawings, A represents one of the two plates which cover my lock, and I term it the faceplate. In it are rectangular slots,

(marked 0 0,) in which bolts D D play, and also a rectangular recess for the lever F to act through, and join'nal-boxes H H, so fashioned as to hold the journals E E, and having side openings for the backward and forward play of the bolts through the slots 0 and O.

B is the other of the two plates of my lock, and I term it the back plate. In it are rectangular slots, also, (marked 0 O,) and upon its'interior face are depressions and projections, as shown, to correspond with those of the face-plate A and the working parts over which it fits.

F is a lever, which moves up and down through the side ofthe lock, between the plates A and B, pivoted, as shown, upon the central screw-pin, P, as a fulcrum, and acts against and assists in operating the bolts D D.

S S are flat springs for throwing the bolts D D, and are securely retained in position, as shown, at one end, between the plates A and B when the lock is closed or covered. The free end of these springs rests against the backs of the bolts upon which the springs work. The bolts D D are designedly made with the bend, as shown, and are provided at one end with the journals E E. The free end of the bolts are angular, and, when pressed, by the springs S S, project'through the slots 0 O and pass into corresponding angular notches, K K, in

the sashes, as shown. Both sashes can thus, by myinvention, at any desired height for each sash, be. simultaneously locked from further opening, and yet (while the-locks are on the sashes) the upper sash can be run up and stopped anywhere, and the lower sash can be run down and stopped anywhere, both sashes being continually locked, (without any referencet-o each other) at any sashrecess along the run of either, from further opening until the leverpressure is again applied to the bolts. This is an important and valuable feature of my invention, and where it is employed upon win- (low-frames the mere act of closing an open sash is equivalent to looking it securely.

To make my sash-fasteners a complete burglar-proof invention, the slotted escutcheonplate 0 is designed by me as a means through which the lever F can be safely and effectively moved as desired by the operator without ac cess by parties 011 the outside of the window. This escutcheon-plate C may be placed at any desired spot in the window-stile. It is conside and a convexity on the other side. When 10o correctly placed in position, its convex side is sunk into the stile, and its concave side is toward the operator. The lever F (or the rod G, if eniploved, as willv be hereinafter aeeurately expla. nod) is carried behind the convex sid 1 of the escuteheoirplate C, wherever itniay 1e placed, and the thumb-pieeo W is passed i itt the eontavity ofG and through the slot L fixed into the lever, (or lever-1nd,) the figures. For ordinary wiin dons I att'ae I this thumb-piece \V, passing it t 11'( ugh the slot L directly to the lever F. For high windows I connect the thumb 'pioee through the slot L to the rod G, which is at tael ed in any convenient manner to the lever F, and work in a groove in the frame behind the tile, therod G being otany suitable length. I the lever done is employed, the eonearity and slot L of the eseuteheonplate C are made eireular. It' the intervening rod G is used, the eoneavity and slot are made straight. This thumb-pieee\Vis so attaehed that it ean be renmved from the lever or rod whenever desired.

As :ulditional preeaut ions against any tampering with the thnmlypieee from without, (when it maybe more eonvenient not to re move it at nights or other times.) I rivet a slide (marked N) by one end to the eonvexside of the eseutielleon-plate (J. This slide is l'nrnished with a small proieetion at its il'ree end, (marked T.) which fits into a noteh in the side of the slot L, and does not there prevent the run of the thinnbpieee'W in the slot L. Vhen the sashes are locked, this thumb-piece is at what I term the upper end ot the slot L, and thenoteh ret'erredto is slightly belowthe thumb-pieee. By pressing the free end of the t iereof, and as shown in slide N aeross the slot? and under the thumbpiere itcompletely obstrurts the slot and pro vents unloeking the sashes. Thus seeurity is afforded against aeeess to the thumb-pieee from without, 1n1rtieularly at; nights, when the sashes, both or either, may be left partly open for ventilation. I also provide finfastening the thumb-pieee V at each end of the slot L in this wise: I make an offset or reeess, whieh Iterm a stop-noteh, at eaeh end of the slot L in the side oftheslot. These stopaiot'ehes are marked in the figuresYandY. The thumb-pieee Vis purposely so formed that, when in its working or normal position in the lever or leverrod, it" will l'reely run along the slot L under the operators hand; but when keyed around by the operator at either end of the slot, a ventral bulge will engage a. stop-notch, Y or Y, (as the ease may be.) and hold the thumbpieee there. Thus at; the stop-noteh Y the thnnib-pieee will loek the sashes and keep them locked from further opening, but not from closing, while at; the stopnot(rh Y it will unloek thesashes and keep them unloeked whenever l'ound eonvenient so to do. \Vhen the parts 01' the look are all. plaeed together, the single se1-e\\'-pi11 1, passed through the t we plates A and I and the lever F between them. seeures all the parts of the loelc togetlr er.

The look is then plaeed. in position in the window-frame at the meeting-rails. The pivoted lever Fis operated through the slotted eseuteheon-plat'o G wherever it is plaeed in the stile, and is made to move in the desired direetion along the side aperture between the bolts D D and theplate A. Thislever presses both bolts simultaneously, throwing t hem bark against the springs S S, and withdrawing both bolts from the notches ol, the sashes, and thus unthsteuing both sashes.

Having thus fully describedany invention, What I claim as new, and desire to secure by Letters Patent from the United States, is-

1. The rombinatioinwith the notehed sashes K K, oi" the plate A, having slots 0 O, and the plate B, having slots 0 O, the bolls I) D, springs S S, the lever-1 working upon the pin I, and having the l llllllllli-lilt t't \V, and the eseutrheoirplate O, havingthe slot L. substantialt as deserihed.

2. 'Iheeombination, with the notehed sashes K K, at the slotted. plates A. and I bolls I) I), springs S S, pin 1., and lever I having the thumb-pieee\Vnunl theslotted esenteheoir plate 0, provided with slide N, rarrying pro jeetion T, and the stop-notehesY and Y, snb stantially as set l'orth.

3. In saslnlhstemas, the bended bolts I) l), pivoted on thejournalsIGILbetween the plates A and 13, and havingangular ends 'lllt'll are operated through double slots 0 and O U in the two plates A. and I by the lever F, pivoted on I, and the springs S S. aeting up on the barks ol' the bolts, substantially as shown.

4. In eombination with the slotted plates A and I3, the lever I pivoted between them and operating simultaneously the bolts I) .l) by wedge movement; between the bolts and the laeeplate A,as herein substantially deseribed.

5. In eombination with the slotted plates A and B, the springs S S, seeured between the plates, as shown, and operatingthe bolts l) D, eachspringoperat-ingits bolt in the notehes independently of the other, substantially as set forth.

6. In sash-fasteners, the esrutehern1-plate (7, having slot; L and slide I rarrying the projection T. and the stop-notehes Yand Y, eon net-ted with the lever-rod (i by athumb-pieee, \V, which operates the lever I by operating the rod G through the slot L, substantially as indicated and set forth.

7. In sash-tastein-rs, the eseutehetni-plate( eonstrueted as described, eonneeted with the lever F by the thumb-pieee \V, whieh operates thelever through the slot; L, substantially as described.

In testimony that: I elaim the foregoing I have hereunto set my hand this l lth day of January, 1886, in the presenee ol' two witnesses.

ELISIIA HENRY AIJVOHI). \Vi ti 1 esses \V. F. I IALL, U. R. Nnzsz. 

